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Questions tagged [smart]

Self-Monitoring, Analysis and Reporting Technology

Self-Monitoring, Analysis and Reporting Technology

This used to monitor a hard drive's state and reliability. It tries to predict failures and warns the user when a disk is degrading.

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Quick method to determine SSD drive health?

I have an Intel X-25M drive that was marked "failed" twice in a ZFS storage array, as noted here. However, after removing the drive, it seems to to mount, read and write in other computers (Mac, PC, USB enclosure, etc.) Is there a good way to…
ewwhite
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what's the purpose of SMART's captive test?

When testing hard disk with SMART (for instance using smartctl tool) I can do tests (for instance long test) in two modes: captive (also called foreground mode) or non captive. Non captive mode is more convenient, because it does not block the hard…
user983447
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How do you monitor SSD wear in Windows when the drives are presented as 'generic' devices?

Under Linux, we can monitor SSD wear fairly easily with smartmontools whether the drive is presented as a normal block device or a generic device (which happens when the drive has been hardware RAIDed by certain controllers such as the one on the…
MikeyB
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How reliable is HDD SMART data?

Based on SMART data, you can judge the health of a disk, at least that is the idea. If I, for instance, run sudo smartctl -H /dev/sda on my ArchLinux laptop, it says that the hard drive passed the self tests and that it should be "healthy" based on…
andahlst
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S.M.A.R.T. lifetime hours resetting to zero

I use S.M.A.R.T. selftest to test all of my hard drives and SSDs. I run a short test daily and a long test monthly. One of my SSD is showing odd behavior in that the lifetime hours seem to reset back to zero. Is this normal? Why would it do this?…
MERM
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powershell: How to check if S.M.A.R.T is enabled on remote machines

I was attempting to get disk info of remote machines, including whether or not SMART is enabled on the drive by using the win32_diskdrive class. This is trickier than I thought. While it's easy enough the read the status property I discovered…
red888
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Best Nagios plugin for SMARTd / smartmontools?

I've installed SMARTd / smartmontools on a server and I want to monitor it over Nagios. However on Monitoring Exchange, I see several…
Amandasaurus
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Is there a way to share S.M.A.R.T. data over SNMP?

Is there a way to share S.M.A.R.T. data over SNMP? I'd like to be able to make cacti graphs of it and hook it up to Nagios. What I want to do is be able to get some statistics on my harddisks accessible over SNMP. This will allow me to graph the…
Amandasaurus
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how to use a disk with high reallocated sector count?

After 3 years in 24x7 service a 1TB Seagate Barracuda ES.2 enterprise drive is showing signs of failure. S.M.A.R.T. reallocated sector count is high. Wikipedia article suggests that the drive can still be used for less sensitive purposes like…
Dima Chubarov
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SMART "power on hours" attribute for different HDD manufacturers

Is there a table of how to interpret the SMART attribute "power on hours" depending on the HDD manufacturer? Some of them use hours, some minutes or even seconds...
brabec
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How to find files affected by reallocated sectors?

I have a Western Digital RE4 1.5TB that has just reallocated 56 sectors. Reallocated Sectors Count,140,193,193,OK,56,0,Enabled I want to know if it is possible to find out which are the files affected by these reallocated sectors, and if they…
Nick
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PERC MegaRAID S.M.A.R.T. Status is not matching smartctl's - looking for clues what's wrong with the HDD

I'm getting strange SMART error from MegaCli on Dell R720xd and PERC H710P with five 4Tb SATA drives in RAID5 /opt/MegaRAID/MegaCli/MegaCli64 -PDList -aALL gives me some "Failure Seq Event Number" Slot Number: 4 ... Last Predictive Failure Event…
kuz8
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SMART warns me but I don't trust it

I've got a server with four Samsung hard drives. All drives are the same model and have been bought together. The drives are SAMSUNG HE753LJ with firmware 1AA01113. I'm getting SMART errors but I have the feeling that smartctl does not understand…
SamK
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SMART shows unreadble sectors, btrfs scrubs are clean - which is correct?

I have a pair of disks in RAID1 formatted with btrfs. The disks go through periodic scrubbing and I get notified with the results. They've been running great for about 2-3 years with no issues. However, I've recently added smartd to my installation,…
dkd6
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mdadm RAID5 random read errors. Dying disk?

First the long story: I have a RAID5 with mdadm on Debian 9. The Raid has 5 Disks, each 4TB of size. 4 of them are HGST Deskstar NAS, and one that came later is a Toshiba N300 NAS. In the past days I noticed some read errors from that Raid. For…
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